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层析成像(CT)技术包括电磁波CT、弹性波CT、电阻率CT、光学CT等多种类型,具有探测结果直观可靠、信息丰富的优点。随着CT技术的发展和成熟,其在堤坝检测工作中也得到了更多的应用并取得了良好的效果。在介绍了电磁波CT、高密度电阻率CT、声波CT、弹性波CT、光学CT等几种层析成像技术的概念和基本工作原理,在此基础上详细论述了这些方法在堤坝检测中的应用情况,对这些技术的发展过程、参数计算、装置方法、数据处理和层析算法等进行了介绍。对层析成像方法的技术特点、适用范围和注意事项,及其在堤坝检测中的应用前景和推广价值进行了阐述和探讨。
Tomography (CT) techniques include electromagnetic wave CT, elastic wave CT, resistivity CT, optical CT and other types, with the advantages of intuitive and reliable detection results and abundant information. With the development and maturity of CT technology, it has also been applied more and has achieved good results in the dam detection work. After introducing the concepts and basic working principle of several tomography technologies such as electromagnetic wave CT, high-density resistivity CT, acoustic CT, elastic wave CT and optical CT, the application of these methods to dam inspection is discussed in detail Situation, the development of these technologies, parameter calculation, installation methods, data processing and chromatography algorithms were introduced. The technical features, applicable scope and precautions of tomographic methods, as well as their application prospect and popularization value in dam detection are discussed and discussed.